US9568069B2ActiveUtilityPatentIndex 94
Transmission for a motor vehicle
Assignee: ZAHNRADFABRIK FRIEDRICHSHAFENPriority: Mar 27, 2013Filed: Feb 25, 2014Granted: Feb 14, 2017
Est. expiryMar 27, 2033(~6.7 yrs left)· nominal 20-yr term from priority
F16H 3/66F16H 2200/2046F16H 2200/0065F16H 2200/2097F16H 2003/445F16H 2200/2012F16H 2200/0069F16H 3/663
94
PatentIndex Score
42
Cited by
18
References
38
Claims
Abstract
A transmission, in particular a multi-speed transmission for a motor vehicle, includes a housing, a drive shaft, an output shaft, at least four planetary gear sets. Each of the planetary gear sets includes one sun gear, at least one planet, one planetary carrier and one ring gear. Six shift elements are formed as at least three clutches and at least two brakes. The drive shaft is connectable through the second clutch to the planetary carrier of the first planetary gear set and through the second brake to the housing. The drive shaft is connectable through the third clutch to the first brake and to the sun gear of the first planetary gear set. The invention also relates to a motor vehicle with the transmission and a method for operating the transmission.
Claims
exact text as granted — not AI-modifiedThe invention claimed is:
1. A multi-speed transmission ( 1 ) for a motor vehicle, comprising:
a housing (G);
a drive shaft (ANW);
an output shaft (AW);
at least four planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ), whereas each of the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) comprises one sun gear ( 101 , 102 , 103 , 104 ), at least one planet ( 111 , 112 , 113 , 114 ), one planetary carrier ( 121 , 122 , 123 , 124 ) and one ring gear ( 131 , 132 , 133 , 134 );
a plurality of shift elements (K 1 , K 2 , K 3 , K 4 , B 1 , B 2 ), comprising six shift elements in the form of at least three clutches (K 1 , K 2 , K 3 , B 3 ′, B 3 ″) and at least two brakes (B 1 , B 2 );
the drive shaft (ANW) is connectable through a second clutch (K 2 ) to the planetary carrier ( 121 ) of a first planetary gear set (GP 1 ) and through a second brake (B 2 ) to the housing (G); and
the drive shaft (ANW) is connectable through a third clutch (K 3 ) to a first brake (B 1 ) and to the sun gear ( 101 ) of the first planetary gear set (GP 1 ); wherein
the drive shaft (ANW) is connected to the sun gear ( 103 ) of a third planetary gear set (GP 3 );
the planetary carrier ( 121 ) of the first planetary gear set (GP 1 ) is connected to the ring gear ( 132 ) of a second planetary gear set (GP 2 );
the sun gear ( 102 ) of the second planetary gear set (GP 2 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 );
the planetary carrier ( 122 ) of the second planetary gear set (GP 2 ) is connected to the ring gear ( 133 ) of the third planetary gear set (GP 3 ); and
the planetary carrier ( 123 ) of the third planetary gear set (GP 3 ) is connectable through a first clutch (K 1 ′) to the output shaft (AW).
2. The transmission according to claim 1 , wherein the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) are arranged geometrically behind one another in the transmission ( 1 ).
3. The transmission according to claim 1 , wherein:
the six shift elements are in the form of three clutches (K 1 , K 2 , K 3 ) and three brakes (B 1 , B 2 , B 3 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connectable through a third brake (B 3 ) to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
4. The transmission according to claim 1 , wherein:
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ′) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connectable through a fourth clutch (B 3 ′) to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
5. The transmission according to claim 1 , wherein:
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ″) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connectable through a fourth clutch (B 3 ″) to the output shaft (AW).
6. A method for operating the transmission ( 1 ) according to claim 1 , wherein:
a first gear (V 1 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a second gear (V 2 ) is shifted into by locking first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a third gear (V 3 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fourth gear (V 4 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fifth gear (V 5 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a sixth gear (V 6 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking, third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 );
a seventh gear (V 7 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
an eighth gear (V 8 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
a ninth gear (V 9 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ); and
a reverse gear (R) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 ).
7. The method according to claim 6 , wherein an additional gear (VZ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ).
8. A motor vehicle as a passenger car or a truck, comprising the transmission ( 1 ) in accordance with claim 1 .
9. A multi-speed transmission ( 1 ) for a motor vehicle, comprising:
a housing (G);
a drive shaft (ANW);
an output shaft (AW);
at least four planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ), whereas each of the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) comprises one sun gear ( 101 , 102 , 103 , 104 ), at least one planet ( 111 , 112 , 113 , 114 ), one planetary carrier ( 121 , 122 , 123 , 124 ) and one ring gear ( 131 , 132 , 133 , 134 );
a plurality of shift elements (K 1 , K 2 , K 3 , K 4 , B 1 , B 2 ), comprising six shift elements in the form of at least three clutches (K 1 , K 2 , K 3 , B 3 ′, B 3 ″) and at least two brakes (B 1 , B 2 );
the drive shaft (ANW) is connectable through a second clutch (K 2 ) to the planetary carrier ( 121 ) of a first planetary gear set (GP 1 ) and through a second brake (B 2 ) to the housing (G); and
the drive shaft (ANW) is connectable through a third clutch (K 3 ) to a first brake (B 1 ) and to the sun gear ( 101 ) of the first planetary gear set (GP 1 ); wherein
the drive shaft (ANW) is connected to the sun gear ( 103 ) of a third planetary gear set (GP 3 );
the planetary carrier ( 121 ) of the first planetary gear set (GP 1 ) is connected to the ring gear ( 132 ) of a second planetary gear set (GP 2 );
the sun gear ( 102 ) of the second planetary gear set (GP 2 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 );
the planetary carrier ( 122 ) of the second planetary gear set (GP 2 ) is connectable through a first clutch (K 1 ″) to the ring gear ( 133 ) of the third planetary gear set (GP 3 ); and
the planetary carrier ( 123 ) of the third planetary gear set (GP 3 ) is connected to the output shaft (AW).
10. The transmission according to claim 9 , wherein the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) are arranged geometrically behind one another in the transmission ( 1 ).
11. The transmission according to claim 9 , wherein:
the six shift elements are in the form of three clutches (K 1 , K 2 , K 3 ) and three brakes (B 1 , B 2 , B 3 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connectable through a third brake (B 3 ) to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
12. The transmission according to claim 9 , wherein:
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ′) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connectable a fourth clutch (B 3 ′) to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
13. The transmission according to claim 9 , wherein:
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ″) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connectable through a fourth clutch (B 3 ″) to the output shaft (AW).
14. A method for operating the transmission ( 1 ) according to claim 9 , wherein:
a first gear (V 1 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a second gear (V 2 ) is shifted into by locking first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a third gear (V 3 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fourth gear (V 4 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fifth gear (V 5 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a sixth gear (V 6 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 );
a seventh gear (V 7 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
an eighth gear (V 8 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
a ninth gear (V 9 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ); and
a reverse gear (R) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 ).
15. The method according to claim 14 , wherein an additional gear (VZ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ).
16. A motor vehicle as a passenger car or a truck, comprising the transmission ( 1 ) in accordance with claim 9 .
17. A multi-speed transmission ( 1 ) for a motor vehicle, comprising:
a housing (G);
a drive shaft (ANW);
an output shaft (AW);
at least four planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ), whereas each of the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) comprises one sun gear ( 101 , 102 , 103 , 104 ), at least one planet ( 111 , 112 , 113 , 114 ), one planetary carrier ( 121 , 122 , 123 , 124 ) and one ring gear ( 131 , 132 , 133 , 134 );
a plurality of shift elements (K 1 , K 2 , K 3 , K 4 , B 1 , B 2 ), comprising six shift elements in the form of at least three clutches (K 1 , K 2 , K 3 , B 3 ′, B 3 ″) and at least two brakes (B 1 , B 2 );
the drive shaft (ANW) is connectable through a second clutch (K 2 ) to the planetary carrier ( 121 ) of a first planetary gear set (GP 1 ) and through a second brake (B 2 ) to the housing (G); and
the drive shaft (ANW) is connectable through a third clutch (K 3 ) to a first brake (B 1 ) and to the sun gear ( 101 ) of the first planetary gear set (GP 1 ); wherein
the drive shaft (ANW) is connected to the sun gear ( 103 ) of a third planetary gear set (GP 3 );
the planetary carrier ( 121 ) of the first planetary gear set (GP 1 ) is connected to the ring gear ( 132 ) of a second planetary gear set (GP 2 );
the sun gear ( 102 ) of the second planetary gear set (GP 2 ) is connectable through a first clutch (K 1 ′″) to the ring gear ( 131 ) of the first planetary gear set (GP 1 );
the planetary carrier ( 122 ) of the second planetary gear set (GP 2 ) is connected to the ring gear ( 133 ) of the third planetary gear set (GP 3 ); and
the planetary carrier ( 123 ) of the third planetary gear set (GP 3 ) is connected to the output shaft (AW).
18. The transmission according to claim 17 , wherein the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) are arranged geometrically behind one another in the transmission ( 1 ).
19. The transmission according to claim 17 , wherein:
the six shift elements are in the form of three clutches (K 1 , K 2 , K 3 ) and three brakes (B 1 , B 2 , B 3 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connectable through a third brake (B 3 ) to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
20. The transmission according to claim 17 , wherein:
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ′) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connectable through a fourth clutch (B 3 ′) to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
21. The transmission according to claim 17 , wherein:
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ″) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connectable through a fourth clutch (B 3 ″) to the output shaft (AW).
22. A method for operating the transmission ( 1 ) according to claim 17 , wherein:
a first gear (V 1 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a second gear (V 2 ) is shifted into by locking first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a third gear (V 3 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fourth gear (V 4 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fifth gear (V 5 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a sixth gear (V 6 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 );
a seventh gear (V 7 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
an eighth gear (V 8 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
a ninth gear (V 9 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ); and
a reverse gear (R) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 ).
23. The method according to claim 22 , wherein an additional gear (VZ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ).
24. A motor vehicle as a passenger car or a truck, comprising the transmission ( 1 ) in accordance with claim 17 .
25. A multi-speed transmission ( 1 ) for a motor vehicle, comprising:
a housing (G);
a drive shaft (ANW);
an output shaft (AW);
at least four planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ), whereas each of the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) comprises one sun gear ( 101 , 102 , 103 , 104 ), at least one planet ( 111 , 112 , 113 , 114 ), one planetary carrier ( 121 , 122 , 123 , 124 ) and one ring gear ( 131 , 132 , 133 , 134 );
a plurality of shift elements (K 1 , K 2 , K 3 , K 4 , B 1 , B 2 ), comprising six shift elements in the form of at least three clutches (K 1 , K 2 , K 3 , B 3 ′, B 3 ″) and at least two brakes (B 1 , B 2 );
the drive shaft (ANW) is connectable through a second clutch (K 2 ) to the planetary carrier ( 121 ) of a first planetary gear set (GP 1 ) and through a second brake (B 2 ) to the housing (G); and
the drive shaft (ANW) is connectable through a third clutch (K 3 ) to a first brake (B 1 ) and to the sun gear ( 101 ) of the first planetary gear set (GP 1 ); wherein
the drive shaft (ANW) is connected to the sun gear ( 103 ) of a third planetary gear set (GP 3 );
the planetary carrier ( 121 ) of the first planetary gear set (GP 1 ) is connectable through a first clutch (K 1 ″″) to the ring gear ( 132 ) of a second planetary gear set (GP 2 );
the sun gear ( 102 ) of the second planetary gear set (GP 2 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 );
the planetary carrier ( 122 ) of the second planetary gear set (GP 2 ) is connected to the ring gear ( 133 ) of the third planetary gear set (GP 3 ); and
the planetary carrier ( 123 ) of the third planetary gear set (GP 3 ) is connected to the output shaft (AW).
26. The transmission according to claim 25 , wherein the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) are arranged geometrically behind one another in the transmission ( 1 ).
27. The transmission according to claim 25 , wherein:
the six shift elements are in the form of three clutches (K 1 , K 2 , K 3 ) and three brakes (B 1 , B 2 , B 3 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connectable through a third brake (B 3 ) to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
28. The transmission according to claim 25 , wherein:
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ′) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connectable through the fourth clutch (B 3 ′) to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
29. The transmission according to claim 25 , wherein:
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ″) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connectable through a fourth clutch (B 3 ″) to the output shaft (AW).
30. A method for operating the transmission ( 1 ) according to claim 25 , wherein:
a first gear (V 1 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a second gear (V 2 ) is shifted into by locking first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a third gear (V 3 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fourth gear (V 4 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fifth gear (V 5 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a sixth gear (V 6 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 );
a seventh gear (V 7 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
an eighth gear (V 8 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
a ninth gear (V 9 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ); and
a reverse gear (R) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 ).
31. The method according to claim 30 , wherein an additional gear (VZ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ).
32. A motor vehicle as a passenger car or a truck, comprising the transmission ( 1 ) in accordance with claim 25 .
33. A multi-speed transmission ( 1 ) for a motor vehicle, comprising:
a housing (G);
a drive shaft (ANW);
an output shaft (AW);
at least four planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ), whereas each of the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) comprises one sun gear ( 101 , 102 , 103 , 104 ), at least one planet ( 111 , 112 , 113 , 114 ), one planetary carrier ( 121 , 122 , 123 , 124 ) and one ring gear ( 131 , 132 , 133 , 134 );
a plurality of shift elements (K 1 , K 2 , K 3 , K 4 , B 1 , B 2 ), comprising six shift elements in the form of at least three clutches (K 1 , K 2 , K 3 , B 3 ′, B 3 ″) and at least wo brakes (B 1 , B 2 );
the drive shaft (ANW) is connectable through a second clutch (K 2 ) to the planetary carrier ( 121 ) of a first planetary gear set (GP 1 ) and through a second brake (B 2 ) to the housing (G); and
the drive shaft (ANW) is connectable through a third clutch (K 3 ) to a first brake (B 1 ) and to the sun gear ( 101 ) of the first planetary gear set (GP 1 ); wherein
the six shift elements are in the form of four clutches (K 1 , K 2 , K 3 , B 3 ′) and two brakes (B 1 , B 2 );
the sun gear ( 104 ) of a fourth planetary gear set (GP 4 ) is connected to the housing (G);
the planetary carrier ( 124 ) of the fourth planetary gear set (GP 4 ) is connectable through a fourth clutch (B 3 ′) to the ring gear ( 131 ) of the first planetary gear set (GP 1 ); and
the ring gear ( 134 ) of the fourth planetary gear set (GP 4 ) is connected to the output shaft (AW).
34. The transmission according to claim 33 , wherein the planetary gear sets (GP 1 , GP 2 , GP 3 , GP 4 ) are arranged geometrically behind one another in the transmission ( 1 ).
35. The transmission according to one claim 33 , wherein:
the drive shaft (ANW) is connectable through a first clutch (K 1 ) to the sun gear ( 103 ) of a third planetary gear set (GP 3 );
the planetary carrier ( 121 ) of the first planetary gear set (GP 1 ) is connected to the ring gear ( 132 ) of a second planetary gear set (GP 2 );
the sun gear ( 102 ) of the second planetary gear set (GP 2 ) is connected to the ring gear ( 131 ) of the first planetary gear set (GP 1 );
the planetary carrier ( 122 ) of the second planetary gear set (GP 2 ) is connected to the ring gear ( 133 ) of the third planetary gear set (GP 3 ); and
the planetary carrier ( 123 ) of the third planetary gear set (GP 3 ) is connected to the output shaft (AW).
36. A method for operating the transmission ( 1 ) according to claim 33 , wherein:
a first gear (V 1 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a second gear (V 2 ) is shifted into by locking first brake (B 1 ), locking second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a third gear (V 3 ) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fourth gear (V 4 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and opening third clutch (K 3 );
a fifth gear (V 5 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 );
a sixth gear (V 6 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 );
a seventh gear (V 7 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
an eighth gear (V 8 ) is shifted into by opening first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and locking third clutch (K 3 );
a ninth gear (V 9 ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ); and
a reverse gear (R) is shifted into by opening first brake (B 1 ), locking second brake (B 2 ), locking third brake (B 3 ), opening first clutch (K 1 ), opening second clutch (K 2 ) and locking third clutch (K 3 ).
37. The method according to claim 36 , wherein an additional gear (VZ) is shifted into by locking first brake (B 1 ), opening second brake (B 2 ), opening third brake (B 3 ), locking first clutch (K 1 ), locking second clutch (K 2 ) and opening third clutch (K 3 ).
38. A motor vehicle as a passenger car or a truck, comprising the transmission ( 1 ) in accordance with claim 33 .Cited by (0)
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